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ASUS P5A User’s Manual36
IV. BIOS
Flash Memory Writer
IV. BIOS SOFTWARE
Support Software
AFLASH.EXE: This is the Flash Memory Writer utility that updates the BIOS by uploading
a new BIOS file to the programmable flash ROM chip on the motherboard. To determine the
BIOS version of your motherboard, check the last four numbers of the code displayed on the
upper left-hand corner of your screen during bootup. Larger numbers represent a newer BIOS
file. This file works only in DOS mode.
NOTE: The following screen displays are provided as examples only and may not reflect the
screen contents displayed on your system.
Flash Memory Writer Utility
Main Menu
1. Save Current BIOS To File
This option allows you to save a
copy of the original motherboard
BIOS in case you need to reinstall
it. It is recommended that you save
AFLASH.EXE and the BIOS file
to a bootable floppy disk.
IMPORTANT! If “unknown” is displayed after Flash Memory:, the memory chip is
either not programmable or is not supported by the ACPI BIOS and therefore, cannot be
programmed by the Flash Memory Writer utility.
To save your current BIOS, type [1] at the Main Menu and then press <Enter>. The Save
Current BIOS To File screen appears. Type a filename and the path, for example, A:\440XX-
1 and then press <Enter>.